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@ARTICLE{Demontoux:827985,
      author       = {Demontoux, François and Razafindratsima, Stephen and
                      Bircher, Simone and Ruffié, Gilles and Bonnaudin, Fabrice
                      and Jonard, François and Wigneron, Jean-Pierre and
                      Sbartaï, Mehdi and Kerr, Yann},
      title        = {{E}fficiency of end effect probes for in-situ permittivity
                      measurements in the 0.5–6{GH}z frequency range and their
                      application for organic soil horizons study},
      journal      = {Sensors and actuators / A},
      volume       = {254},
      issn         = {0924-4247},
      address      = {Amsterdam [u.a.]},
      publisher    = {Elsevier Science},
      reportid     = {FZJ-2017-02007},
      pages        = {78 - 88},
      year         = {2017},
      abstract     = {The remote signatures measured at microwave frequency above
                      land surfaces are strongly dependent on the permittivity of
                      the soil, which is linked to its moisture content. Thus,
                      soil permittivity is a key parameter when algorithms are
                      developed for the retrieval of hydrologic parameters from
                      remote sensing data. Soil permittivity measurements are
                      generally carried out in the laboratory because in-situ
                      measurements are more difficult to obtain. The study
                      presents the development of two probes (N and SMA probes)
                      for in situ soil permittivity measurements (i.e.
                      measurements of dielectric properties). They are based on
                      the end effect phenomenon of a coaxial waveguide and so are
                      called end effect probes in this paper. Results obtained on
                      well-known materials (water and polytetrafluoroethene) are
                      compared with corresponding data obtained by laboratory
                      approaches (Von Hippel’s method and resonant cavity) and
                      show good agreement from 0.5 GHz up to ∼3.5 GHz and 6 GHz
                      for N and SMA probes respectively. Then measurements made on
                      concrete and mineral soil are reported to underline the
                      efficiency of end effect probes for in-situ dielectric
                      measurements. Finally, through work undertaken in the
                      framework of the European Space Agency’s SMOSHiLat
                      project, we demonstrate the applicability of the two probes
                      for measurements performed within these frequency ranges in
                      complex material such as organic soil horizons.},
      cin          = {IBG-3},
      ddc          = {530},
      cid          = {I:(DE-Juel1)IBG-3-20101118},
      pnm          = {255 - Terrestrial Systems: From Observation to Prediction
                      (POF3-255)},
      pid          = {G:(DE-HGF)POF3-255},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000392674400010},
      doi          = {10.1016/j.sna.2016.12.005},
      url          = {https://juser.fz-juelich.de/record/827985},
}